Home / 406,660.05-561,190.86-225,399.24

Finding the Fourth Proportional to 406,660.05, 561,190.86 and 225,399.24

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Solution

The fourth proportional to 406,660.05, 561,190.86 and 225,399.24 is: 311,050.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,660.05 : 561,190.86 = 225,399.24 : x
  2. Step 2: Convert to fraction form
    406,660.05/561,190.86 = 225,399.24/x
  3. Step 3: Cross multiply
    406,660.05x = 561,190.86 × 225,399.24
  4. Step 4: Simplify right side
    406,660.05x = 126,491,993,338.95
  5. Step 5: Solve for x
    x = 126,491,993,338.95/406,660.05
  6. Step 6: Final answer
    x = 311,050.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.